Children who are too thin are divided into pathological and physiological. First of all, it is necessary to make clear what causes it, and then treat it symptomatically.

Pay more attention to supplement nutrition.

If it is physiological, it is mostly caused by malnutrition. It is necessary to pay more attention to supplement nutrition in the usual diet, maintain a balanced nutrition and diversify the diet. At the same time, you can also eat more meat foods containing vitamins or animal offal.

♂? do more exercise

Usually, you should exercise more and get more sunshine, which will help you build up your physique and regain your weight.

Go to the hospital for examination.

If it is pathological, you need to go to the hospital for trace elements and other examinations to find out the specific reasons and then carry out symptomatic treatment.